3JY6

Crystal structure of LacI Transcriptional regulator from Lactobacillus brevis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Transcriptional regulator, LacI family	polymer	276	31068.2	4	UniProt (Q03T70) Pfam (PF13407)	Lactobacillus brevis
2	E (D)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
3	F, G (D)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4	H, I, J, K (A, B, C, D)	water	water		18.0	176	Chemie (HOH)

Sequence modifications

A, B, C, D: 64 - 328 (UniProt: Q03T70)

PDB	External Database	Details
Met 61	-	expression tag
Ser 62	-	expression tag
Leu 63	-	expression tag
Glu 329	-	expression tag
Gly 330	-	expression tag
His 331	-	expression tag
His 332	-	expression tag
His 333	-	expression tag
His 334	-	expression tag
His 335	-	expression tag
His 336	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	124272.9
Non-Polymers*	Number of molecules	3
	Total formula weight	159.6
All*	Total formula weight	124432.5

*Water molecules are not included.